mfd: sec: Remove unused cfg_pmic_irq in platform data

The 'cfg_pmic_irq' field of platform data structure is not used and can
be safely dropped.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/sec-core.c

@@ -382,9 +382,6 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 		return ret;
 	}
 
-	if (pdata->cfg_pmic_irq)
-		pdata->cfg_pmic_irq();
-
 	sec_irq_init(sec_pmic);
 
 	pm_runtime_set_active(sec_pmic->dev);

include/linux/mfd/samsung/core.h

@@ -85,7 +85,6 @@ struct sec_platform_data {
 	int				num_regulators;
 
 	int				irq_base;
-	int				(*cfg_pmic_irq)(void);
 
 	bool				wakeup;
 	bool				buck_voltage_lock;